One MP40W enough?

[Rice Reef]

Originally Posted by intarsiabox

I guess I should mention that this tank won't have any SPS in it. I just want enough water movement for nutrient export and to the keep the rocks clean.

I think having two mp40 will do a better job of this. I am currently running 1 mp60 and 1 mp40 in my 90 gallon and planning to run another mp40 once I get my 120 gallon up and running.